A Scrapy middleware to manage a custom proxy pool and randomly choose a proxy for each request.
Installation
pip install scrapy-custom-proxy-poolUsage
In settings.py:
DOWNLOADER_MIDDLEWARES = {
# ...
'scrapy_custom_proxy_pool.middlewares.ProxyPoolMiddleware': 610,
'scrapy_custom_proxy_pool.middlewares.BanDetectionMiddleware': 620,
# ...
}
PROXY_POOL_ENABLED = True
PROXY_POOL_SIZE = 10
PROXY_POOL_COLLECTOR = 'myproject.collectors.MyCollector'
PROXY_POOL_COLLECTOR_ARGS = {}
PROXY_POOL_REFRESH_INTERVAL = 60
PROXY_POOL_PAGE_RETRY_TIMES = 5
PROXY_POOL_TRY_WITH_HOST = TrueSettings
PROXY_POOL_ENABLED - Enable/disable proxy pool (default: False)
PROXY_POOL_SIZE - Max proxies in pool (default: 10)
PROXY_POOL_COLLECTOR - Custom proxy collector path (required)
PROXY_POOL_COLLECTOR_ARGS - Collector initialization arguments (default: {})
PROXY_POOL_REFRESH_INTERVAL - Proxy refresh interval in secs (default: 60)
PROXY_POOL_PAGE_RETRY_TIMES - Max retry times per page (default: 5)
PROXY_POOL_TRY_WITH_HOST - Try requests without proxy (default: True)Customization
Ban Detection Policy
You can customize the ban detection policy:
# myproject/policy.py
from scrapy_custom_proxy_pool.policy import BanDetectionPolicy
class MyPolicy(BanDetectionPolicy):
# override response_is_ban and exception_is_ban# settings.py
PROXY_POOL_BAN_POLICY = 'myproject.policy.MyPolicy'Proxy Collector
You need to implement a custom proxy collector by subclassing ProxyCollector:
from scrapy_custom_proxy_pool.collectors import ProxyCollector
class MyCollector(ProxyCollector):
def fetch_proxies(self, count):
# return list of `Proxy` objectsLicense
MIT
1 maintainer
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